packages/libs/jansson/patches/01-jansson-add-jason_object_deep_update.patch
florian 681b62ee77 [package] add jansson package
Signed-off-by: Roman Yeryomin <roman@advem.lv>

git-svn-id: svn://svn.openwrt.org/openwrt/packages@28233 3c298f89-4303-0410-b956-a3cf2f4a3e73
2011-09-13 17:29:28 +00:00

51 lines
1.4 KiB
Diff

This patch adds a function which can be used to update
json key values on all levels, not just one, automagically
adding new keys to objects which do not exist in old object.
Signed-off-by: Roman Yeryomin <roman@advem.lv>
--- a/src/value.c 2011-04-21 13:15:58.000000000 +0300
+++ b/src/value.c 2011-07-01 00:23:05.105103308 +0300
@@ -215,6 +215,41 @@
return 0;
}
+int json_object_deep_update(json_t *object, json_t *other)
+{
+ void *iter;
+
+ if(!json_is_object(object) || !json_is_object(other))
+ return -1;
+
+ iter = json_object_iter(other);
+ while(iter) {
+ const char *key;
+ json_t *value;
+
+ key = json_object_iter_key(iter);
+ value = json_object_iter_value(iter);
+
+ if (!json_is_object(value)) {
+ if ( json_object_set_nocheck( object, key, value ) )
+ return -1;
+ } else {
+ json_t *subobj = json_object_get(object, key);
+ if (!subobj) {
+ json_object_set_nocheck( object, key, value );
+ iter = json_object_iter_next(other, iter);
+ continue;
+ }
+ if (json_object_deep_update( subobj, value ) == -1)
+ return -1;
+ }
+
+ iter = json_object_iter_next(other, iter);
+ }
+
+ return 0;
+}
+
void *json_object_iter(json_t *json)
{
json_object_t *object;